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Paper/patches/unapplied/server/0909-Fix-CraftMetaItem-getAttributeModifier-duplication-c.patch
2024-10-22 19:28:57 +02:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: hyper1423 <backup8822@gmail.com>
Date: Sun, 3 Dec 2023 07:38:09 +0900
Subject: [PATCH] Fix CraftMetaItem#getAttributeModifier duplication check
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
index df34eba383c0d3035c8baed7fdd054ecdd681fa3..f15456b02cabbbe33d701450ef53a0561d91cb8c 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
@@ -1414,7 +1414,7 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
Preconditions.checkNotNull(modifier, "AttributeModifier cannot be null");
this.checkAttributeList();
for (Map.Entry<Attribute, AttributeModifier> entry : this.attributeModifiers.entries()) {
- Preconditions.checkArgument(!entry.getValue().getKey().equals(modifier.getKey()), "Cannot register AttributeModifier. Modifier is already applied! %s", modifier);
+ Preconditions.checkArgument(!(entry.getValue().getKey().equals(modifier.getKey()) && entry.getKey() == attribute), "Cannot register AttributeModifier. Modifier is already applied! %s", modifier); // Paper - attribute modifiers with same namespaced key but on different attributes are fine
}
return this.attributeModifiers.put(attribute, modifier);
}